Get Owner service procedures -> Battery Guide for BMW Z3 SUV First Generation (1995-2002)

Battery

153n

Do not allow sparks or open

flame near the battery. Do not

smoke near the battery. Avoid

Battery care

The battery is completely maintenance-

free. That means that the original elec-

trolyte will normally last for the service

life of the battery under moderate

climatic conditions.

sparks from electrical cables or elec-

trical equipment. Turn the key to

position 0 in the ignition lock when the

battery is disconnected or connected.

Do not short circuit the battery termi-

nals. This creates a risk of personal

injury from high-voltage sparks.

Symbols

You will find the following symbols on

your vehicle battery. To avoid injury,

please comply with the corresponding

precautions whenever you work with or

near the battery.

A highly-explosive gas is gener-

ated when the battery is charged.

Battery posts, terminals and

related accessories contain lead

and lead compounds. Wash hands after

handling.<

If acid is accidentally splashed

into your eyes, rinse them thor-

oughly for 15 minutes with clear

water. Following that, consult a physi-

cian immediately. If acid splashes onto

your skin or clothing, rinse immediately

with ample clean water. If acid is acci-

dentally swallowed, consult a physi-

cian immediately.

Please read the following infor-

mation before working with the

battery.

Wear eye protection. Do not

allow particles containing

Battery location

The battery is located in the luggage

compartment under the floor mat.

battery acid or lead to come into

contact with your eyes, your skin, or

your clothing.

Z3 coupe:

Grasp the floor mat by the straps on the

Battery acid is extremely corro-

sive. Wear eye protection and

protective gloves. Do not tip the

battery. Battery acid can leak from the

ventilation openings.

left and right. Pull it upward and remove

it.

In order to protect the battery

case from ultraviolet radiation,

do not place it in direct sunlight.

A discharged battery can freeze. Store

the battery in areas where temperature

remains above freezing.

Z3 roadster:

Lift the floor mat from the rear by the

strap and fold it forward.

Ensure that children keep well

away from batteries and battery

acid.

¹⁵⁴ⁿBattery

If you intend to store your vehicle for

longer than twelve weeks: remove the

battery, charge it and store it in a cool

(but frost- and dust-free) room. Every

three months and before reinstalling the

battery, have it recharged. If it is not

recharged, it will not be serviceable.

Every time the battery is discharged,

especially over extended periods, its

service life is reduced, refer also to

page 131.

Charging the battery

Charge the battery in the vehicle only

when the engine is switched off.

Charge the battery using the auxiliary

jump-start terminal and a ground in the

engine compartment, refer to Jump-

starting on page 158.

Before performing any work on

the electrical system, disconnect

the cable from the negative terminal. If

you do not, short circuits can create the

risk of fire or personal injury.<

Return used batteries to a recy-

cling point or your BMW center.

Maintain the battery in an upright posi-

tion for transport and storage. Secure

the battery against tilting when trans-

porting.<

Charge condition

You can read the charge condition of

the battery with the "Magic Eye"

(hydrometer):

If you plan to park the vehicle for longer

than 4 weeks, disconnect the battery

from the vehicle electrical system by

disconnecting the cable at the negative

terminal. Then recharge the battery with

an appropriate battery charger.

> Green: adequate charge

> Black: not charged adequately.

The battery must be recharged

Please contact your BMW center.

> Yellow: replace the battery.

The projected service life of the

battery can only be reached if the

battery is fully-charged at all times.

Check the charge condition of the

battery frequently if the vehicle is used

primarily for driving short distances. <

Battery

155n

Removal and installation

Do not disconnect the battery

cables when the engine is running.

Disconnecting the battery cables when

the engine is running will cause a

voltage surge which will damage the

vehicle's onboard electronics.

Do not make any modifications in the

wires leading to the positive terminal. If

you do so, the battery safety terminal's

safety function will no longer be guaran-

teed. Repair and disposal must be

performed by trained technicians only.<

Z3 coupe

Z3 coupe:

Loosen the screw (arrow) on the battery

safety bar and remove the bar.

When removing the battery, disconnect

the negative terminal first, then the

positive terminal.

When installing the battery, connect the

positive terminal first, then connect the

negative terminal.

Unscrew the battery retaining clamp.

When installing the battery, be

sure that the battery and the

safety bar (Z3 coupe) are mounted

properly. If this is not done, the battery

will not be adequately secured in case

of an accident.<

Owner service procedures -> Battery for Your BMW Z3 SUV First Generation (1995-2002)

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